55925939 has 4 divisors (see below), whose sum is σ = 55975680. Its totient is φ = 55876200.

The previous prime is 55925921. The next prime is 55925941. The reversal of 55925939 is 93952955.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55925939 - 2²⁰ = 54877363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55925893 and 55925902.

It is not an unprimeable number, because it can be changed into a prime (55925039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23144 + ... + 25445.

It is an arithmetic number, because the mean of its divisors is an integer number (13993920).

Almost surely, 2^55925939 is an apocalyptic number.

55925939 is a deficient number, since it is larger than the sum of its proper divisors (49741).

55925939 is a wasteful number, since it uses less digits than its factorization.

55925939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49740.

The product of its digits is 546750, while the sum is 47.

The square root of 55925939 is about 7478.3647276661. The cubic root of 55925939 is about 382.4175031050.

The spelling of 55925939 in words is "fifty-five million, nine hundred twenty-five thousand, nine hundred thirty-nine".